S1 • E1
A former boxer and current drunkard named Danpei Tange meets a drifter named Joe Yabuki and sees potential in him. Danpei offers to teach Joe how to box, but Joe isn't easily convinced.
S1 • E2
Danpei is severely hurt after trying to protect Joe from the yakuza. Joe goes to visit the head of the yakuza group to seek reparations for Danpei.
S1 • E3
Danpei works hard day and night to save up for Joe and his boxing gym. Meanwhile, Joe uses the slum kids to con some money out of people, and he runs into a woman named Yoko Shiraki.
S1 • E4
Joe holes up in an abandoned building after he gets caught lying to con people out of money.
S1 • E5
Danpei sends Joe a letter to teach him boxing while he's at the police hospital waiting for his fate.
S1 • E6
Joe ends up in a juvenile classification home and is quickly put in his place after trying to be cocky against his fellow inmates and their boss, Nishi.
S1 • E7
Joe, Danpei, and the kids show up to court to hear if Joe will be sent off to the juvenile training school.
S1 • E8
Joe and Nishi spend their first night at the Toko Special Juvenile Training School and are quickly put into their places.
S1 • E9
Joe and Nishi are sent out with the rest of the inmates to do some farmwork. Later on, Nishi comes up with a plan to help Joe escape the island, but they meet a man named Tooru Rikiishi.
S1 • E10
Joe is completely out of it after getting punched by Rikiishi. However, later on, he had a huge surprise in store for everyone.
S1 • E11
Joe continues to practice boxing while he's alone in solitary. Danpei and the kids try to find a way into the juvenile training school when they unexpectedly run into Yoko.
S1 • E12
Joe tells Yoko why he treats her so badly. Rikiishi tries to interfere and Yoko proposes that they settle this in a boxing match. Tange finally gets to train Joe again in person.
S1 • E13
Joe and Rikiishi prepare for their upcoming match. After seeing just how powerful Joe's new punch is, Rikiishi devises a unique training method to counter it.
S1 • E14
Joe and Rikiishi finally have their first match. But for some reason, Danpei tells Joe to let Rikiishi keep knocking him down. Who will be the winner in the end?
S1 • E15
Moved by the fight between Joe and Rikiishi, the inmates also start boxing.
S1 • E16
Tange becomes the full-time boxing coach at the juvenile training school on Nogiku Island. Joe seems to finally be interested in training more with Tange, but Tange suddenly seems distant.
S1 • E17
Joe keeps trying to get Tange to coach him again, but Tange just keeps ignoring him and concentrates on training Aoyama. No one expected Aoyama to get into the tournament, but he then somehow defeats the rep for dorm 7, Numata.
S1 • E18
The dormitory boxing tournament begins and everyone finds out just how Aoyama defeated Numata.
S1 • E19
Joe and Aoyama's match finally begins, but who will come out on top?
S1 • E20
Joe and Aoyama's match concludes and Tange reveals something to our two fighters.
S1 • E21
Rikiishi tells Joe that they need to have their match sooner because something came up, so they have an unofficial match out in the rain.
S1 • E22
Rikiishi leaves Toko Special Juvenile Training School and Joe feels empty inside. Meanwhile, the final match of the dorm boxing tournament is about to begin.
S1 • E23
Following Rikiishi and Aoyama, Nishi is also going to leave the juvenile training school, leaving Joe all alone.
S1 • E24
Joe finally leaves the juvenile training school and goes back to the slums where he's welcomed back with open arms.
S1 • E25
Joe finally feels like something might be changing in his life, but then he is visited by Guerilla, who's on the run from the police.
S1 • E26
Tange goes to the Japan Boxing Association to get his gym officially recognized. Meanwhile, Joe starts working at the grocery store Nishi works at.
S1 • E27
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S1 • E29
After getting into a fight with a famous boxer named Wolf Kanagushi and landing a cross-counter, Joe manages to attract attention and now hopes to become a ranked boxer.
S1 • E30
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S1 • E32
Joe finally become a pro boxer and fights for the first time in a professional ring, who manages to win.
S1 • E33
Everyone is happy and celebrate Joe's first victory like a boxer, especially Noriko.
S1 • E34
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S1 • E38
Joe Yabuki and Wolf Kanagushi fight's begin, and for the first time in his career, Joe rise up his guard.
S1 • E39
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S1 • E41
The new year has arrived and Joe finds out that Rikiishi is losing weight to become a bantamweight so he can face off with Joe.
S1 • E42
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S1 • E46
Rikiishi undergoes a sinister and absurd weight loss process, but in the middle of the process, he freaks out.
S1 • E47
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S1 • E49
S1 • E50
Rikiishi is landing his uppercuts on Joe, that not gives up, and tries do boxing in the real meaning, after a long time, both boxers has a final outcome on the 8th and last round of the fight.
S1 • E51
After a fierce match, A mildly injured Joe makes a shocking realization about Rikiishi's true condition.
S1 • E52
Danpei and Nishi goes to Rikiishi's funeral and they offer their condolences, meanwhile Joe is acting normal, but inside he's suffering a lot.
S1 • E53
Joe became a wanderer again, roaming aimlessly, shaken by Rikiishi's death, and blaming himself for everything that happened.
S1 • E54
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S1 • E61
The fight between Joe and Tiger begins. Joe attempts a punch to Tiger's temple but then refuses, and after some rounds then something unexpected happens.
S1 • E62
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S1 • E69
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S1 • E75
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S1 • E77
S1 • E78
The day of Carlos's match against Joe arrives. As a boxing fan, Danpei expresses his feelings about Joe's journey. Yoko silently encourages Joe as they walk down the hallway.
S1 • E79
Carlos counters Joe's techniques at the ropes with an improvised move, nullifying Joe's strategy. He then proposes a general brawl, without tricks. After the fight ends, Joe travels and leaves the Bridge of Tears, but says he will return.
Joe Yabuki
Danpei Tange
José Mendosa
Tōru Rikiishi
Yoko Shiraki
Gondou Goromaki
Kumetarou Inaba